(And when a surah is revealed, some of them look at others) meaning, the hypocrites, (does anyone see you?) from among the Muslims; some of them say this to others. (Then they turn away) Al-Hasan said: meaning, they resolved upon disbelief. (Allah has turned away their hearts) this is an invocation, (because they are a people who do not understand) they do not return to faith.

Surah At-Tawbah from verse (128) to verse (129)